1/4-14 x 1 1/4 Slot Ind Hexwasher w/Bonded Neo EPDM Washer Self Dril Full Thread ZincBake WNG and their coarse thread provides

and their coarse thread provides a strong hold

The screw is 1/2 inch long and has a fully threaded shank

meeting the requirements of the Defense Federal Acquisition Regulation Supplement

Introducing the ultimate solution for your outdoor decking projects: our 10-8 x 4 Phillips Bugle Head Coarse Thread Sharp Point Deck Screw Dacrotized

5/16-18 x 5 Hex Tap Bolt Fully Threaded 18-8 Stainless Steel is a bolt with a hexagonal head and a fully threaded body

1/4-14 x 1 1/4 Slot Ind Hexwasher w/Bonded Neo EPDM Washer Self Dril Full Thread ZincBake WNG and their coarse thread providesThis 1 4 14 x 1 1 4 Slot Ind Hexwasher is designed for use with self drilling screws and features a bonded Neo EPDM washer that provides a watertight seal. The hex washer head allows for easy installation with a wrench or socket, and the zinc plated finish provides corrosion resistance. The self drilling point eliminates the need for pre drilling, making installation quick and easy.